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Finding the Fourth Proportional to 583,444.86, 805,303.71 and 380,002.74

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Solution

The fourth proportional to 583,444.86, 805,303.71 and 380,002.74 is: 524,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,444.86 : 805,303.71 = 380,002.74 : x
  2. Step 2: Convert to fraction form
    583,444.86/805,303.71 = 380,002.74/x
  3. Step 3: Cross multiply
    583,444.86x = 805,303.71 × 380,002.74
  4. Step 4: Simplify right side
    583,444.86x = 306,017,616,332.17
  5. Step 5: Solve for x
    x = 306,017,616,332.17/583,444.86
  6. Step 6: Final answer
    x = 524,501.35

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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.