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Finding the Fourth Proportional to 583,802.16, 805,650.48 and 369,038.76

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Solution

The fourth proportional to 583,802.16, 805,650.48 and 369,038.76 is: 509,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,802.16 : 805,650.48 = 369,038.76 : x
  2. Step 2: Convert to fraction form
    583,802.16/805,650.48 = 369,038.76/x
  3. Step 3: Cross multiply
    583,802.16x = 805,650.48 × 369,038.76
  4. Step 4: Simplify right side
    583,802.16x = 297,316,254,132.61
  5. Step 5: Solve for x
    x = 297,316,254,132.61/583,802.16
  6. Step 6: Final answer
    x = 509,275.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.