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Finding the Fourth Proportional to 634,748.04, 876,009.06 and 348,323.94

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Solution

The fourth proportional to 634,748.04, 876,009.06 and 348,323.94 is: 480,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,748.04 : 876,009.06 = 348,323.94 : x
  2. Step 2: Convert to fraction form
    634,748.04/876,009.06 = 348,323.94/x
  3. Step 3: Cross multiply
    634,748.04x = 876,009.06 × 348,323.94
  4. Step 4: Simplify right side
    634,748.04x = 305,134,927,254.90
  5. Step 5: Solve for x
    x = 305,134,927,254.90/634,748.04
  6. Step 6: Final answer
    x = 480,718.19

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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.