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Finding the Fourth Proportional to 1,070,570, 1,477,386.60 and 593,642

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Solution

The fourth proportional to 1,070,570, 1,477,386.60 and 593,642 is: 819,225.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,570 : 1,477,386.60 = 593,642 : x
  2. Step 2: Convert to fraction form
    1,070,570/1,477,386.60 = 593,642/x
  3. Step 3: Cross multiply
    1,070,570x = 1,477,386.60 × 593,642
  4. Step 4: Simplify right side
    1,070,570x = 877,038,735,997.20
  5. Step 5: Solve for x
    x = 877,038,735,997.20/1,070,570
  6. Step 6: Final answer
    x = 819,225.96

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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.